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Sewage air floatation treatment method

A treatment method, air flotation technology, applied in flotation water/sewage treatment, water/sludge/sewage treatment, water treatment parameter control, etc., can solve the problem that pollutant removal is not the best, and improve the efficiency of air flotation , High air flotation efficiency

Active Publication Date: 2020-10-30
广东蓝绿科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, whether it is ZL201410623880.8 or ZL200810171459.2, they use micro-nano bubble generators or machine pumps to generate micro-nano bubbles in isolation. In the air flotation process, the removal of pollutants is not the best.

Method used

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  • Sewage air floatation treatment method
  • Sewage air floatation treatment method
  • Sewage air floatation treatment method

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Embodiment 1

[0035] Before producing the method of the present invention, the air flotation machine is analyzed in detail.

[0036] Such as Figure 1-6 As shown, an air flotation machine includes a main chamber 1, and the main chamber 1 is sequentially provided with a water distribution module 2, a micro-nano bubble generation module 3, and a drain pipe 4 from top to bottom. 1 is provided with a slag scraping module 5;

[0037] The micro-nano bubble generating module 3 includes one or more micro-nano bubble generators 31 and a mechanical pump 32, the water inlet end of the mechanical pump 32 is connected to the water inlet pipe 33, and the water outlet end of the mechanical pump 32 is connected to the water outlet pipe 34 The pump 32 is connected with an air injection pipe 35 communicating with the pump body; an air dissolving tank 36 is arranged between the water outlet pipe 34 and the micro-nano bubble generator 31 . The gas used in the micro-nano bubble generator 31 includes but not l...

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Abstract

The invention belongs to the field of wastewater treatment, and discloses a sewage air floatation treatment method which specifically comprises the following steps: inputting sewage into a main chamber through a water distribution module, and discharging treated purified water through a well drainage pipe, wherein the hydraulic load is 2-12m <3> / m<2>. H, the pressure in the dissolved air tank is controlled to be 2-6 bar, and the diameter of micro-nano bubbles of the micro-nano bubble generator is 100 to 500 nm. According to the method, a vertical flow type air floatation treatment mode is combined with a micro-nano bubble fluid generated by a mode of further treatment through a bubble generator after cutting through a machine pump, the air flotation efficiency can be effectively improved,organic matters and micro-solids in a water body can be subjected to air flotation treatment, and the air flotation efficiency is relatively high as primary treatment equipment and method for sewage.

Description

technical field [0001] The invention relates to the field of waste water treatment, in particular to a sewage air flotation treatment method. Background technique [0002] The obligee Shaanxi Lanhuan Environmental Engineering Group Co., Ltd. filed an invention patent application CN201420831681.1 in 2014, disclosing a vertical flow ozone flotation device, including air flotation tanks, air compressors, dissolved air tanks and ozone The generator and the air flotation tank are set up vertically. An air flotation separation chamber is installed at the bottom of the air flotation tank. The air compressor is connected to the bottom of the dissolved air tank. The generator is connected with an ozone releaser through an ozone gas supply pipeline. Both the dissolved air releaser and the ozone releaser are installed at the bottom of the air flotation separation chamber. Both the device and the ozone releaser are located below the water outlet of the water inlet pipe. A porous water ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/24C02F101/30C02F101/10
CPCC02F1/24C02F2303/26C02F2101/30C02F2209/10C02F2101/105
Inventor 陈盛海赵光辉庞常伟
Owner 广东蓝绿科技有限公司
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